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Controlling Systems Inc

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392 reviews
|Heating & Air Conditioning/HVAC|Denver, CO 80221

7000 North Broadway, Ste 1, Denver, CO 80221

(303) 762-1421

Open now:9:00 am - 6:00 pm


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Controlling Systems specializes in the installation, repair and maintenance of your homes - furnace, air conditioner or evaporative cooler, water heater and indoor air quality devices such as humidifier, air filter and thermostat. Even more than that we specialize in superior customer service.

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392 reviews
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Along came Polly A. on Citysearch

8 years ago

03/14/2013, 03:13 AM
Very pleased with everything
Glammor O. on Citysearch

8 years ago

03/06/2013, 01:44 AM
Sean showed up at my house within the 2 hour window (point #1) and was super friendly (point #2). He was patient with all the questions I had and gave us a good gauge on the life left in our AC unit, and what to expect a couple years from now. He was honest with his answers, he could've bullshitted me and I wouldn't have known, but he didn't just tell me what I wanted to hear, which was great. The problem took longer than I expected to fix because he had to run down to Englewood to pick up a part, but it's not his fault there's traffic on a Thursday. Overall, I think he did a great job, gave us good recommendations to how to take care of the unit, and finally gave us a working AC to fight the 100+ degree weather. Don't know how they compare with other companies, but I'd use them again.
magic carpet b. on Citysearch

8 years ago

02/27/2013, 03:41 AM
The crew did a good job of installing the furnace and the pipes going threw the attic with no hassal. Excellent work.
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Embassy of the Tropics M. on Citysearch

8 years ago

02/22/2013, 01:37 AM
The guys were awesome. Fast, clean and didn't mind me asking questions. Very informative. Thanks! And Gus was great in the front of the process as well.
fox trot G. on Citysearch

8 years ago

02/13/2013, 02:32 AM
My furnace ignitor went out and as a result the furnace cycled on and off in short spurts. I contacted this company and Gus was dispatched, I really can't say enough good things about him. He didn't overcharge, cleaned everything out, was super nice, and explained what was going on. He even looked at the gas powered "wood" stove in the family room that hadn't worked in many months. Prices were good too. $276 for a warm house? Nice!
D-Jay s. on Citysearch

8 years ago

02/07/2013, 00:09 AM
Very well done job. We are glad we went with your company.
Light L. on Citysearch

8 years ago

02/05/2013, 02:45 AM
Your installers were great, and it sound as if the job on the old house could've been a pain! Also great w/ my dogs who are not well mannered!
Top Gun F. on Citysearch

9 years ago

01/31/2013, 04:06 AM
They did absolutely everything that they promised on time and in budget and were very easy to work with. They were also very responsive and informative. First rate job.
DontPanic R. on Citysearch

9 years ago

01/29/2013, 01:43 AM
(C) When we got home from work one afternoon, it was 64 degrees in the house, and we noticed the furnace was blowing cold air. We called Contorolling Systems at 4:30. Greg arrived about an hour later, and had the problem fixed within 30 minutes (he had the part right in the truck). The part that ignites had just worn out. We really appreciated the all-inclusive pricing (rather than parts and labor seperately) and the fact that he taught my husband how to do some basic cleaning to prevent additional problems down the road. We really appreciated the prompt service, knowledgable and friendly technician and were impressed with the service overall.
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